CN116488724B - Optical fiber communication test method, medium and system using same - Google Patents
Optical fiber communication test method, medium and system using same Download PDFInfo
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- CN116488724B CN116488724B CN202310749273.5A CN202310749273A CN116488724B CN 116488724 B CN116488724 B CN 116488724B CN 202310749273 A CN202310749273 A CN 202310749273A CN 116488724 B CN116488724 B CN 116488724B
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- 238000004891 communication Methods 0.000 title claims abstract description 38
- 239000013307 optical fiber Substances 0.000 title claims abstract description 28
- 238000010998 test method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 94
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000012546 transfer Methods 0.000 claims abstract description 25
- 230000002159 abnormal effect Effects 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 238000004590 computer program Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 14
- 230000005856 abnormality Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/16—Threshold monitoring
Abstract
The invention discloses an optical fiber communication test method, a medium and a system using the same, wherein the method comprises the following steps: when the fluctuation of the transmission rate of one of the terminal devices exceeds a preset threshold, judging that the transmission rate of the terminal device is abnormal; judging whether the transmission rate fluctuation of the terminal equipment of the same transfer node as the terminal equipment exceeds a preset buffer threshold value of the terminal equipment; if the fluctuation of the transmission rate of the terminal equipment does not exceed the preset buffer threshold, judging that the terminal equipment fails; and if the transmission rate fluctuation of the terminal equipment exceeds the self preset buffer threshold, judging that the terminal equipment does not have faults. The optical fiber communication testing method provided by the invention can effectively and rapidly detect the reason of fluctuation of the transmission rate of the interrupt equipment, has high detection efficiency, can be automatically completed, and can effectively reduce manpower and financial resources.
Description
Technical Field
The invention belongs to the technical field of communication detection, and particularly relates to an optical fiber communication testing method, medium and system using the same.
Background
Today, where the internet is advancing more and more, the stability of network transmissions is becoming more and more important. At present, when a terminal device has larger transmission rate fluctuation and needs to perform fault detection, professional personnel are required to perform equipment fault detection. Therefore, the fault detection efficiency is low, long detection time is needed, the use experience of a user is poor, the economy is poor, and a large amount of manpower and financial resources are consumed for fault detection.
Disclosure of Invention
The invention provides an optical fiber communication test method, a medium and a system using the same, which can effectively and rapidly detect the reason of fluctuation of the transmission rate of the interrupt equipment, have high detection efficiency and can be automatically completed.
The invention is realized by the following technical scheme:
in one aspect, the present invention provides a method for testing optical fiber communication, comprising the steps of: when one of the terminal devicesWhen the transmission rate fluctuation exceeds the preset threshold value, the terminal device is judged to be +.>Abnormal transmission rate; judgment and terminal equipmentSame transit node->Terminal equipment of->And/or +.>Whether the transmission rate fluctuation exceeds a self preset buffer threshold; if the terminal device +>And/or +.>If the transmission rate fluctuation of (1) does not exceed the self-preset buffer threshold value, determining the terminal device +.>A failure occurs; if the terminal device +>And/or +.>If the transmission rate fluctuation of (1) exceeds the self-preset buffer threshold value, determining the terminal device +.>No failure occurred.
In some of these embodiments, the decision terminal deviceAfter no failure, the method further comprises the following steps: judging and terminal equipment->Same transit node->Terminal equipment of->Whether the transmission rate fluctuation exceeds a self preset buffer threshold; if the terminal device +>The transmission rate fluctuation of the terminal equipment exceeds the self-preset buffer threshold value, and the terminal equipment is further judged>The transit node in which it is located->Whether the transmission rate fluctuation exceeds a self preset buffer threshold; if the terminal device +>The transit node in which it is located->If the transmission rate fluctuation does not exceed the self-preset buffer threshold value, the terminal device is judged to be +>The transit node in which it is located->Overload or transit node->To terminal device->And the optical fiber between them fails.
In some of these embodiments, the decision terminal deviceThe transit node in which it is located->Overload or transit node->To terminal device->After the optical fiber faults, the method further comprises the following steps: judging and transferring node->The transmission rate of all the connected terminal devices; if it is->When the transmission rates of all the connected terminal devices are lower than the preset buffer threshold, the transit node is judged to be +.>Fiber faults between to the terminal equipment; if it is->If the transmission rate of all connected terminal devices is not lower than the preset buffer threshold, judging the terminal device +.>The transit node in which it is located->The load is too high.
In some of these embodiments, the terminal device is determinedThe transit node in which it is located->After whether the transmission rate fluctuation exceeds the self preset buffer threshold, the method further comprises the following steps: if the terminal device +>The transit node in which it is located->If the transmission rate fluctuation exceeds the self-preset buffer threshold value, judging the transit node +.>Whether there is a fault; if it is determined that transit node->If no fault exists, further judging the transit node +.>Whether the transmission rate fluctuation exceeds a self-preset buffer threshold.
In some of these embodiments, a transit node is determinedAfter whether the transmission rate fluctuation exceeds the self preset buffer threshold, the method further comprises the following steps: if transit node->The fluctuation of the transmission rate does not exceed the self-preset buffer threshold value, and other transit nodes are continuously judged>Whether the transmission rate fluctuation exceeds a preset threshold value or not; if other transit nodes->Transmission rate fluctuations all exceedIf the threshold value is preset, the transit node is judged to be +.>The load is too high.
In some of these embodiments, a transit node is determinedAfter whether the transmission rate fluctuation exceeds the self preset buffer threshold, the method further comprises the following steps: if transit node->Repeating the judgment of whether the transmission rate fluctuation of the previous level transit node exceeds the self preset buffer threshold value and the fault judgment; if all detected transfer node transmission rate fluctuation does not exceed the self preset buffer threshold value and no fault exists, the operator server is judged to be abnormal.
In some embodiments, the method for determining whether the transit node fails includes: judging whether the input-output ratio of the transfer node exceeds a second preset threshold value; and if the input-output ratio of the transit node exceeds a second preset threshold value, judging that the transit node fails.
In another aspect, the present embodiment provides an optical fiber communication test system, including a memory and a processor, where the memory stores a computer program, and the processor executes the computer program to implement the optical fiber communication test method according to any one of the above embodiments.
The present embodiment also provides a medium on which a computer program is stored, the computer program being loaded by a processor to perform the steps in the optical fiber communication test method of any of the above embodiments.
Compared with the prior art, the invention has the following advantages:
the optical fiber communication testing method provided by the invention can help judge whether the reason for the abnormal transmission rate of the terminal equipment is related to the occurrence of faults by further detecting whether the transmission rate of other terminal equipment of the same transfer node as the abnormal terminal equipment is abnormal or not when the transmission rate of the terminal equipment is abnormal, so that the searching of the fault reason is realized, the later-stage fault detection efficiency improvement is realized, and the labor and financial resources can be effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of an optical fiber communication testing method according to some embodiments of the present invention;
FIG. 2 is a flow chart of a method for testing optical fiber communication according to other embodiments of the present invention;
FIG. 3 is a schematic diagram illustrating a partial flow of a method for testing optical fiber communication according to some embodiments of the present invention;
fig. 4 is a flowchart of a method for determining whether a node in the present invention fails according to some embodiments of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are used to indicate orientations or positional relationships based on those shown in the drawings, or those that are conventionally put in use in the product of the present invention, they are merely used to facilitate description of the present invention and simplify description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "horizontal," "vertical," and the like in the description of the present invention, if any, do not denote absolute levels or overhangs, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to only those steps or modules but may include other steps or modules not expressly listed or inherent to such process, method, article, or apparatus.
The sequence of the different steps is not sequential, unless specifically stated.
In one aspect, the present embodiment provides a method for testing optical fiber communication, referring to fig. 1, specifically including the following steps:
s10, when one of the terminal devicesWhen the fluctuation of the transmission rate exceeds the preset threshold value, judging the terminal equipmentThe transmission rate is abnormal.In S10, the application scenario of the terminal device is information transmission from the operator server to the terminal device, and in this process, the terminal device includes a plurality of transit nodes, where the first-level transit node is +.>The second-level transit node is->The three-level transit node is->...iThe level transit node is->The first-stage transfer node is in communication connection with the operator server, the second-stage transfer node is in communication connection with the first-stage transfer node, and the third-stage transfer node is in communication connection with the second-stage transfer node until reachingiThe level transit node is->And is->The terminal device of the communication connection is +.>. Whether the transmission rate fluctuation of the terminal equipment exceeds the preset threshold value or not can be monitored by the terminal equipment, and can also be monitored by the three-party monitoring equipment. And for the judgment of whether the terminal equipment exceeds the self preset threshold, the self preset threshold is not necessarily a fixed value, and for different terminal equipment, the corresponding self preset threshold may not be identical. Of course, for an area, the preset threshold value of the terminal equipment with the same requirement can be the same. And when the fluctuation of the transmission rate of the terminal equipment exceeds the preset threshold, judging that the transmission rate of the terminal equipment is abnormal. For convenience of explanation, in order to take place the terminal equipment of abnormality in +.>The representation is performed.
S20, judging and terminal equipmentSame transit node->Terminal equipment of->And/or +.>Whether the transmission rate fluctuation exceeds a self-preset buffer threshold. In S20, the self-preset buffer threshold is a value set based on the self-preset threshold, and the self-preset buffer threshold is used for determining whether other terminal devices or transit nodes which are not abnormal are affected, and when the transmission rate fluctuation of the terminal devices or transit nodes exceeds the self-preset buffer threshold, the self-preset buffer threshold is determined to be affected, but the condition that the transmission rate is abnormal is not reached. The self-preset buffer threshold is similar to the self-preset threshold, and for the judgment of whether the terminal equipment exceeds the self-buffer preset threshold, the self-buffer preset threshold is not necessarily a fixed value, and for different terminal equipment, the corresponding self-buffer preset thresholds may not be identical. Of course, for an area, the terminal devices with the same requirement may also have the same buffering preset threshold. In deciding terminal equipment->After abnormality, further judging the terminal equipment having the same transit node as the terminal equipment +.>And/or +.>Whether the transmission rate fluctuation exceeds a self-preset buffer threshold. When selecting other terminal equipment to make auxiliary determination, selecting terminal equipment with abnormal transmission rate/>Same transit node->Or a plurality of terminal devices.
S30, if the terminal equipmentAnd/or +.>If the transmission rate fluctuation of (1) does not exceed the self-preset buffer threshold value, determining the terminal device +.>A failure occurs. In S30, when terminal device +.>And/or +.>The transmission rate fluctuation of (1) does not exceed the self-preset buffer threshold, i.e. is +.>Other terminal devices with the same transit node are not affected, in which case the terminal device is determined +.>Itself fails. The relevant information is subsequently sent to maintenance personnel, which can be directly applied to the terminal equipment>And (5) maintaining.
S40, if the terminal deviceAnd/or +.>If the transmission rate fluctuation of (1) exceeds the self-preset buffer threshold value, determining the terminal device +.>No faults. In S40, a further detection of an abnormality is made in the terminal device +.>When other terminal devices of the same transit node are also affected, the terminal device can be added at this time>The probability of failure is greatly reduced and the terminal equipment is generally not considered anymore +.>In case of own failure, the position where the failure exists is placed at other positions preferentially. Of course, it should be noted that when deciding the terminal device +.>In the absence of a fault, it is not necessarily indicated that the terminal device is +.>The system has no fault at all, but has extremely low fault rate, and the maintenance priority of the system can be greatly leaned back.
Through the arrangement, when the transmission rate of the terminal equipment is abnormal, whether the transmission rate of other terminal equipment of the same transfer node as the abnormal terminal equipment is abnormal or not can be further detected, whether the reason for the abnormal transmission rate of the terminal equipment is related to faults of the terminal equipment or not is judged in an auxiliary mode, and then the fault reason is searched, further the later fault detection efficiency is improved, and labor and financial resources can be effectively reduced.
In some embodiments, in determining an abnormal terminal deviceIn the case of low failure rate, a further determination of failure point is required, please refer to the figure2, after S40, further comprising the steps of:
s50, judging the terminal equipmentSame transit node->Terminal equipment of->Whether the transmission rate fluctuation exceeds a self-preset buffer threshold. In S50, terminal device->For terminal equipment with abnormality +.>Terminal device for auxiliary detection>And->Other terminal devices of the same transit node.
S60, if the terminal equipmentThe transmission rate fluctuation of the terminal equipment exceeds the self-preset buffer threshold value, and the terminal equipment is further judged>The transit node in which it is located->Whether the transmission rate fluctuation exceeds a self-preset buffer threshold. In S60, by acquiring other terminal devices +.>For determining whether other terminal devices located in the same intermediate node are all affected.
S70. If the terminal equipmentThe transit node in which it is located->If the transmission rate fluctuation does not exceed the self-preset buffer threshold value, the terminal device is judged to be +>The transit node in which it is located->Overload or transit node->To terminal device->And the optical fiber between them fails. In S70, if an abnormal terminal device is found +.>Transfer node of a communication connection->If the transmission rate fluctuation of (1) does not exceed the self-preset buffer threshold, then this is considered to be due to the transit node +.>The overall load of all connected terminals is too high, or the transit node is +.>To fiber faults between the terminal devices.
Through the arrangement, after the terminal equipment with the abnormality is judged to have no fault, the cause of the fault can be further determined, so that the follow-up fault overhaul is convenient.
In some of these embodiments, to determine to be the transit nodeThe overall load of all connected terminals is too high, or the transit node +.>Referring to fig. 3, after S70, the method further includes the following steps:
s80, judging and transferring nodeTransmission rates of all terminal devices connected. In S80 +.>、/>And/or +.>、/>And only the transmission rate of the rest terminal equipment is needed to be determined later.
S90, if with the transit nodeWhen the transmission rates of all the connected terminal devices are lower than the preset buffer threshold, the transit node is judged to be +.>To fiber faults between the terminal devices. I.e. with transit node->The transmission rate of all the terminal devices connected is affected.
S100, if and transit nodeAll terminals connectedIf the transmission rate is not lower than the preset buffer threshold, the terminal device is judged to be +.>The transit node in which it is located->The load is too high.
In the above embodiment, in multiple experiments, when the load of the transit node is too high, the terminal device communicatively connected to the transit node may have a situation that the transmission rate fluctuates greatly, but in the process of fluctuation, the fluctuation degree is different from that of the optical fiber fault, so by setting the self-preset buffer threshold, it can be effectively determined whether the load of the transit node is too high or the transit node according to the magnitude of the fluctuation degreeTo fiber faults between the terminal devices.
In some of these embodiments, after step S60, the following steps are further included:
s110, if the terminal equipmentThe transit node in which it is located->If the transmission rate fluctuation exceeds the self-preset buffer threshold value, judging the transit node +.>Whether there is a fault. In S110, terminal device->The transit node in which it is located->If the transmission rate fluctuation exceeds the self-preset buffer threshold value, the terminal equipment is judged to be +>The transmission rate of (2) is also affected, which results in terminal device +.>The reason for the failure needs to be traced back. At this time, it is necessary to judge that the node is the transit node->The reason for the failure is also the transit node->Transfer node of the upper layer->For reasons of (2).
S120, if it is determined that the transit nodeIf no fault exists, further judging the transit node +.>Whether the transmission rate fluctuation exceeds a self-preset buffer threshold. In transit node->Although affected, in the case of no fault, the transit node is further determined +.>Transfer node of the upper layer->Whether or not it is affected.
Through the arrangement, the cause of the fault can be further determined, so that the follow-up fault overhaul is convenient.
In some of these embodiments, after step S120, the following steps may be further included:
s130, if the transfer nodeThe fluctuation of the transmission rate does not exceed the self-preset buffer threshold value, and other transit nodes are continuously judged>Whether the transmission rate fluctuation exceeds a preset threshold.
S140, if other transit nodesIf the transmission rate fluctuation exceeds the preset threshold value, judging the transit nodeThe load is too high.
In the above embodiment, the transit nodeThe transmission rate fluctuation does not exceed the self-preset buffer threshold, i.e. transit node +.>Is not affected, at this time, by judging the other transit node +.>Whether the transmission rate fluctuation exceeds a preset threshold value, and determining to influence the terminal equipment +.>Whether or not the reason for (a) is because of the transit node +.>The load is too high, so that the reason of the fault is further determined, and the follow-up fault is convenient to overhaul.
In some of these embodiments, after step S120, the following steps may be further included:
s150, if the transfer nodeThe transmission rate fluctuation exceeds the self preset buffer threshold value, and the transmission rate fluctuation of the previous level transit node is repeatedJudging whether the self preset buffer threshold value is exceeded or not and judging faults. In S150, the intermediate node +.>The transmission rate fluctuation exceeds the self-preset buffer threshold, namely the transit node is judged +>And also affected, it may also be affected by the transit node at the upper level.
And S160, if all detected transmission rate fluctuations of the transit nodes do not exceed the preset buffer threshold, and no faults exist, judging that the operator server is abnormal. In S160, all detected transit nodes include connections between the operator server and the terminal deviceTransfer node between->. If none of these transit nodes is affected and there is no failure, then there is a high probability that an anomaly will occur for the operator server, resulting in the detection result.
Through the arrangement, terminal equipment can be influenced step by stepThe reason that the transmission rate fluctuation is great is further realized more accurately and is further confirmed the reason of trouble to the maintenance of follow-up trouble is convenient.
In some embodiments, referring to fig. 4, a method for determining whether a relay node has a fault includes:
t10, judging whether the input-output ratio of the transfer node exceeds a second preset threshold value;
and T20, if the input-output ratio of the transit node exceeds a second preset threshold value, judging that the transit node fails.
In the above embodiment, it can effectively determine whether the transit node has a fault, and further determine whether further detection is needed to assist in determining the cause of the fault, so as to facilitate the overhaul of the subsequent fault.
In another aspect, the present embodiment provides an optical fiber communication test system, including a memory and a processor, where the memory stores a computer program, and the processor executes the computer program to implement the optical fiber communication test method according to any one of the above embodiments.
The present embodiment also provides a medium on which a computer program is stored, the computer program being loaded by a processing module to implement the optical fiber communication test method of any one of the above embodiments.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the invention in any way, but any simple modifications and equivalent variations of the above embodiments according to the technical principles of the present invention fall within the scope of the present invention.
Claims (8)
1. The optical fiber communication testing method is characterized by comprising the following steps of:
when one of the terminal devicesWhen the transmission rate fluctuation exceeds the preset threshold value, the terminal device is judged to be +.>Abnormal transmission rate;
judgment and terminal equipmentSame transit node->Terminal equipment of->And/or +.>Whether the transmission rate fluctuation exceeds a self preset buffer threshold;
if the terminal equipmentAnd/or +.>If the transmission rate fluctuation of (1) does not exceed the self-preset buffer threshold value, determining the terminal device +.>A failure occurs;
if the terminal equipmentAnd/or +.>If the transmission rate fluctuation of (1) exceeds the self-preset buffer threshold value, determining the terminal device +.>No failure occurred;
wherein the first-stage transfer node isThe second-level transit node is->The three-level transit node is->.../>The level transit node is->The first-stage transfer node is in communication connection with an operator server, and the second-stage transfer node is in communication connection with the operator serverThe node is in communication connection with the first-stage transfer node, and the third-stage transfer node is in communication connection with the second-stage transfer node until reachingiThe level transit node is->And is->The terminal device of the communication connection is +.>。
2. The optical fiber communication test method according to claim 1, wherein the determination terminal deviceAfter no failure, the method further comprises the following steps:
judgment and terminal equipmentSame transit node->Terminal equipment of->Whether the transmission rate fluctuation exceeds a self preset buffer threshold;
if the terminal equipmentThe transmission rate fluctuation of the (E) exceeds the self-preset buffer threshold value, and the terminal equipment is further judgedThe transit node in which it is located->Whether the transmission rate fluctuation exceeds a self preset buffer threshold;
if the terminal equipmentThe transit node in which it is located->If the transmission rate fluctuation does not exceed the self-preset buffer threshold value, the terminal device is judged to be +>The transit node in which it is located->Overload or transit node->To terminal device->And the optical fiber between them fails.
3. The optical fiber communication test method according to claim 2, wherein the terminal device is judgedThe transit node in which it is located->After whether the transmission rate fluctuation exceeds the self preset buffer threshold, the method further comprises the following steps:
if the terminal equipmentThe transit node in which it is located->Judging if the fluctuation of the transmission rate exceeds the preset buffer thresholdBreak transit node->Whether there is a fault;
if it is determined that the transit nodeIf no fault exists, further judging the transit node +.>Whether the transmission rate fluctuation exceeds a self-preset buffer threshold.
4. A method of testing optical fiber communication according to claim 3, wherein the transit node is determinedAfter whether the transmission rate fluctuation exceeds the self preset buffer threshold, the method further comprises the following steps:
if transit nodeThe transmission rate fluctuation does not exceed the self-preset buffer threshold value, and other transit nodes are continuously judgedWhether the transmission rate fluctuation exceeds a preset threshold value or not;
if other transit nodesIf the transmission rate fluctuation exceeds the preset threshold value, judging the transit node +.>The load is too high.
5. The method of claim 4, wherein the determination of the transit node is performedAfter whether the transmission rate fluctuation exceeds the self preset buffer threshold, the method further comprises the following steps:
if transit nodeRepeating the judgment of whether the transmission rate fluctuation of the previous level transit node exceeds the self preset buffer threshold value and the fault judgment;
if all detected transfer node transmission rate fluctuation does not exceed the self preset buffer threshold value and no fault exists, the operator server is judged to be abnormal.
6. The method for testing optical fiber communication according to any one of claims 3 to 5, wherein the method for determining whether the transit node has a failure comprises:
judging whether the input-output ratio of the transfer node exceeds a second preset threshold value;
and if the input-output ratio of the transit node exceeds a second preset threshold value, judging that the transit node fails.
7. A fiber optic communications test system comprising a memory and a processor, the memory having a computer program stored therein, the processor executing the computer program to implement the fiber optic communications test method of any one of claims 1 to 6.
8. A medium having stored thereon a computer program, the computer program being loaded by a processor to perform the fiber optic communication test method of any of claims 1-6.
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